File name:

1 (137)

Full analysis: https://app.any.run/tasks/48a90dcf-477c-4d85-8417-c8de955f17a0
Verdict: Malicious activity
Threats:

Quasar is a very popular RAT in the world thanks to its code being available in open-source. This malware can be used to control the victim’s computer remotely.

Malware Trends Tracker     >>>
Analysis date: March 24, 2025, 11:37:57
OS: Windows 10 Professional (build: 19044, 64 bit)
Tags:
quasar
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections
MD5:

3A33C693642D931F98334F0950E89C00

SHA1:

48771A4E1E764B63D2254F3920605DA19B2B3F3C

SHA256:

57D1E1430F343297C442FCD0CF1E4A8B05354E95911F75FBBCD57C019A27D01E

SSDEEP:

49152:xggGOhX02hD2nPiLq3A6770DODdl/rADxXhCk/3DgUjPKtfRuoosHGSaUysctUTu:52nP6q3A6770DODdl/rADxRLDgWKC7

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • QUASAR has been detected (YARA)

      • 1 (137).exe (PID: 744)

  • SUSPICIOUS

    • There is functionality for taking screenshot (YARA)

      • 1 (137).exe (PID: 744)

  • INFO

    • Checks supported languages

      • 1 (137).exe (PID: 744)

    • Reads Environment values

      • 1 (137).exe (PID: 744)

    • Reads the software policy settings

      • slui.exe (PID: 6036)

    • Reads the machine GUID from the registry

      • 1 (137).exe (PID: 744)

    • Reads the computer name

      • 1 (137).exe (PID: 744)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

Quasar

(PID) Process(744) 1 (137).exe
Version1.4.1
C2 (2)127.0.0.1:4782
Sub_DirSubDir
Install_NameClient4.exe
Mutex51b11b28-345f-44ab-9454-9be5352e9c88
StartupQuasar Client Startup4
Tagzxc
LogDirLogs
SignaturekpdwXE3j3Q2jmOBgXsCyT3aYn8uVTo4CFtTWGJaoRhE8JJpEH/iHoXDYDn51zWBD/cTOUdiI7V03N7K8MD/HPUQkq6rbQv6pIdMkFKVkhbNFkVSH6W1SFU2MmAI5kU9ItDrZnC16jzQ+32nM4qCWRQzh3sf5g9Kzl6iBesx6RpM8iVGCb9RoDHRV7F7ybhWm2td1ZVAfEuMHmjB7gxmie1gM+spUk+Gc5TMWla5qQO6sHcXcBaaiHKLC1I5yVKvXqEPKEE58g/fPLuK+uPc8nVDeeSDfXanqltX+bRqmOxn/...
CertificateMIIE9DCCAtygAwIBAgIQAICrxFS0zJ1clurkeSNclTANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTI0MTEyMTIyMTM1OFoYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAn0fXz3F87M+bBBvqOgnc/XwLTT0UpQ7dRyReVvhxlEyklJA7IT+c30imXMZfxl2ZTidXb4is...
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (56.7)
.exe | Win64 Executable (generic) (21.3)
.scr | Windows screen saver (10.1)
.dll | Win32 Dynamic Link Library (generic) (5)
.exe | Win32 Executable (generic) (3.4)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2024:11:23 21:32:59+00:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 8
CodeSize: 3261440
InitializedDataSize: 3584
UninitializedDataSize: -
EntryPoint: 0x31e3ee
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 1.4.1.0
ProductVersionNumber: 1.4.1.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: -
CompanyName: -
FileDescription: Quasar Client
FileVersion: 1.4.1
InternalName: Client.exe
LegalCopyright: Copyright © MaxXor 2023
LegalTrademarks: -
OriginalFileName: Client.exe
ProductName: Quasar
ProductVersion: 1.4.1
AssemblyVersion: 1.4.1.0
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
138
Monitored processes
4
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #QUASAR 1 (137).exe no specs sppextcomobj.exe no specs slui.exe slui.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
744"C:\Users\admin\AppData\Local\Temp\1 (137).exe" C:\Users\admin\AppData\Local\Temp\1 (137).exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Quasar Client
Version:
1.4.1
Modules
Images
c:\users\admin\appdata\local\temp\1 (137).exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
Quasar
(PID) Process(744) 1 (137).exe
Version1.4.1
C2 (2)127.0.0.1:4782
Sub_DirSubDir
Install_NameClient4.exe
Mutex51b11b28-345f-44ab-9454-9be5352e9c88
StartupQuasar Client Startup4
Tagzxc
LogDirLogs
SignaturekpdwXE3j3Q2jmOBgXsCyT3aYn8uVTo4CFtTWGJaoRhE8JJpEH/iHoXDYDn51zWBD/cTOUdiI7V03N7K8MD/HPUQkq6rbQv6pIdMkFKVkhbNFkVSH6W1SFU2MmAI5kU9ItDrZnC16jzQ+32nM4qCWRQzh3sf5g9Kzl6iBesx6RpM8iVGCb9RoDHRV7F7ybhWm2td1ZVAfEuMHmjB7gxmie1gM+spUk+Gc5TMWla5qQO6sHcXcBaaiHKLC1I5yVKvXqEPKEE58g/fPLuK+uPc8nVDeeSDfXanqltX+bRqmOxn/...
CertificateMIIE9DCCAtygAwIBAgIQAICrxFS0zJ1clurkeSNclTANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTI0MTEyMTIyMTM1OFoYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAn0fXz3F87M+bBBvqOgnc/XwLTT0UpQ7dRyReVvhxlEyklJA7IT+c30imXMZfxl2ZTidXb4is...
6036"C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEventC:\Windows\System32\slui.exe
SppExtComObj.Exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Windows Activation Client
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\slui.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\user32.dll
6964C:\WINDOWS\system32\SppExtComObj.exe -EmbeddingC:\Windows\System32\SppExtComObj.Exe—svchost.exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
KMS Connection Broker
Version:
10.0.19041.3996 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\sppextcomobj.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\oleaut32.dll
7848C:\WINDOWS\System32\slui.exe -EmbeddingC:\Windows\System32\slui.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Activation Client
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\slui.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\user32.dll
Total events
741
Read events
741
Write events
0
Delete events
0

Modification events

No data
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

No data
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
23
DNS requests
17
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
6544
svchost.exe
GET
200
184.30.131.245:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
—
—
whitelisted
5496
MoUsoCoreWorker.exe
GET
200
23.53.40.176:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
7544
SIHClient.exe
GET
200
23.219.150.101:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
—
—
whitelisted
5544
backgroundTaskHost.exe
GET
200
184.30.131.245:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D
unknown
—
—
whitelisted
7544
SIHClient.exe
GET
200
23.219.150.101:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
—
—
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
4
System
192.168.100.255:137
—
—
—
whitelisted
—
—
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
5496
MoUsoCoreWorker.exe
23.53.40.176:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
3216
svchost.exe
40.113.103.199:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
6544
svchost.exe
20.190.160.4:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
6544
svchost.exe
184.30.131.245:80
ocsp.digicert.com
AKAMAI-AS
US
whitelisted
5544
backgroundTaskHost.exe
20.103.156.88:443
arc.msn.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
5544
backgroundTaskHost.exe
184.30.131.245:80
ocsp.digicert.com
AKAMAI-AS
US
whitelisted
2104
svchost.exe
20.73.194.208:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted

DNS requests

Domain
IP
Reputation
google.com
  • 142.250.186.142
whitelisted
settings-win.data.microsoft.com
  • 4.231.128.59
  • 20.73.194.208
whitelisted
crl.microsoft.com
  • 23.53.40.176
  • 23.53.40.178
whitelisted
client.wns.windows.com
  • 40.113.103.199
whitelisted
login.live.com
  • 20.190.160.4
  • 40.126.32.72
  • 20.190.160.128
  • 40.126.32.74
  • 20.190.160.17
  • 40.126.32.76
  • 40.126.32.138
  • 20.190.160.130
whitelisted
ocsp.digicert.com
  • 184.30.131.245
whitelisted
arc.msn.com
  • 20.103.156.88
whitelisted
slscr.update.microsoft.com
  • 20.109.210.53
whitelisted
www.microsoft.com
  • 23.219.150.101
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 52.165.164.15
whitelisted

Threats

No threats detected
No debug info
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